APA (7th ed.) Citation

United States. Bureau of Mines. (1938). Reducing cost of workmen's compensation in mining industry. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Reducing Cost of Workmen's Compensation in Mining Industry. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Bureau of Mines. Reducing Cost of Workmen's Compensation in Mining Industry. [s.n.], 1938.